Whether is in the same field is defined in your

来源: 乱讲 于 2006-08-02 13:33:21 [] [旧帖] [给我悄悄话] 阅读数 : (176 bytes)

petition letter. In your petition letter, you can say 能源类材料 is your field. Or you can say Polymer is you field. Check your petition letter to see if you switch the field.

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